Teresa Johnson 51177295c4 Memory intrinsic value profile optimization: Avoid divide by 0 ...

Summary:
Skip memops if the total value profiled count is 0, we can't correctly
scale up the counts and there is no point anyway.

Reviewers: davidxl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D32624

llvm-svn: 301645

2017-04-28 14:30:54 +00:00

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